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B&C 15SW115-4 15" Professional Neodymium Subwoofer 4 Ohm

B&C SpeakersPart # 294-5990
Model: 15SW115-4
B&C's 15SW115-4 15" pro subwoofer speaker boasts an oversized 4.5" voice coil, neodymium motor, 1,700 watts RMS power handling capacity, and 13.5 mm Xmax (60 mm peak-to-peak excursion before damage).

Key Features

  • Lightweight but powerful FEA-optimized neodymium magnet
  • Extremely high BL factor and Xmax for outstanding LF output
  • 13.5 mm Xmax, 60 mm peak-to-peak excursion before damage
  • 4.5" split winding copper voice coil on fiberglass former
  • Ventilated voice coil gap reduces power compression
  • Aluminum demodulation ring on pole piece reduces distortion
  • Double silicone spider
Your Price: $591.24
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MSRP: $985.40
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Estimated back in stock 7/10/2025
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Overview

B&C 15SW115-4 15" Professional Neodymium Subwoofer 4 Ohm

The B&C 15SW115-4 is an advanced, lightweight subwoofer driver featuring 1,700 watts RMS power handling, a 1.33" long/4.5" diameter copper voice coil with very high thermal capability, and a ventilated neodymium magnet assembly that provides low power compression. An aluminum demodulation ring fitted to the 15SW115-4's pole piece reduces distortion.

Product Details

BrandB&C Speakers
Model15SW115-4
Part Number294-5990
UPC848864009728
Unit of MeasureEach
Weight27.1

Product Specifications

Nominal Diameter15"
Bolt Circle Diameter14.7
Power Handling (RMS)3400 Watts
Impedance
Frequency Response34 to 1,500Hz
Sensitivity96dB 2.83V/1m
Voice Coil Diameter4.5"

Thiele-Small Parameters

Resonant Frequency (Fs)34Hz
DC Resistance (Re)3.2Ω
Voice Coil Inductance (Le)1.27mH
Mechanical Q (Qms)5.8
Electromagnetic Q (Qes)0.23
Total Q (Qts)0.22
Compliance Equivalent Volume (Vas)3.7ft³
BL Product (BL)25.5T·m
Diaphragm Mass Inc. Airload (Mms)212g
Maximum Linear Excursion (Xmax)13.5mm
Surface Area of Cone (Sd)855cm²

Materials of Construction

Cone MaterialCoated Paper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter15.5"
Baffle Cutout Diameter13.9"
Depth7.6"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume1ft³
Sealed F3135.4Hz
Vented Volume3.5ft³
Vented F339.6Hz

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